13257891548 has 24 divisors (see below), whose sum is σ = 25630913280. Its totient is φ = 5950030320.

The previous prime is 13257891527. The next prime is 13257891571. The reversal of 13257891548 is 84519875231.

It is a self number, because there is not a number n which added to its sum of digits gives 13257891548.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1903586 + ... + 1910537.

It is an arithmetic number, because the mean of its divisors is an integer number (1067954720).

Almost surely, 2^13257891548 is an apocalyptic number.

It is an amenable number.

13257891548 is a deficient number, since it is larger than the sum of its proper divisors (12373021732).

13257891548 is a wasteful number, since it uses less digits than its factorization.

13257891548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814217 (or 3814215 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 53.

The spelling of 13257891548 in words is "thirteen billion, two hundred fifty-seven million, eight hundred ninety-one thousand, five hundred forty-eight".